<!--
 * @Author: tianhao
 * @Date: 2021-07-11 09:07:33
 * @LastEditTime: 2021-07-11 09:11:01
 * @LastEditors: tianhao
 * @Description: 
 * @FilePath: \day01\day03\伸缩盒布局.html
 * 可以输入预定的版权声明、个性签名、空行等
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        .main{
            display: flex;
        }
        .main div{
            height: 200px;
            width: 200px;
            border: 1px solid orange;
        }
    </style>
    <title>Document</title>
</head>
<body>
    <div class="main">
    <div class="one"></div>
    <div class="two"></div>
    <div class="three"></div>
    </div>


</body>
</html>